21
User Manual
3.1.9.5 STC Strength
If STC is Custom, it is possible to change the Strength of the Sensitivity Time
Constant.
3.1.9.6 Surface Noise Filter
This function implements an advanced time varying filter that allows sup-
pressing the surface clutter efficiently while leaving fish targets visible.
NOTE
Thus imposing the capability of the Fish Finder to correctly detect the weakest
echoes coming from a very deep bottom.
3.1.10
Display Setup
The Display Setup Menu allows you to change the color scheme of the Fish
Finder display, adjusts the chart scrolling rate, enables or disables the White
Line and allows determining the graphical representation of fishes.
[MENU] + "DISPLAY SETUP" + [ENTER]
Fig. 3.1.10 - Fish Finder Display Setup menu
3.1.10.1 Color Settings
ONLY FOR COLOR CHART PLOTTER
Allows you to change the color scheme of the Fish Finder display. The avail-
able colors are Blue Background, White Background, Black Background, Gray
Scale and Reversed Gray Scale.
NOTE
Only Gray Scale and Reversed Gray Scale are available on the 11" Gray Levels
chart plotters.
3.1.10.2 Scrolling Speed
Adjusts the chart scrolling rate. Note that the scrolling rate is limited by the
sound speed and the depth according with the following relation: the deeper
the setting, the slower the scrolling rate. 100% is the maximum possible.
3.1.10.3 White Line
Controls how the chart plotter displays information about the bottom type
(hard or soft).
3.1.10.4 Fish Symbols
This selection allows determining the graphical representation of underwater
suspended targets. See the following table.
Echo
: shows echoes
Echo + Icon
: shows the Fish icon and echoes
Echo + Icon + Depth
:
shows the Fish icon, depth values and the fish echoes
Echo + Depth
: shows depth values
Icon
: shows Fish icons
Icon + Depth
: shows Fish icons and their depth (accordingly to currently selected depth unit)
The Fish icons displayed are among four different shapes depending on the
size of the Target (Small, Med, Big, Huge).
3.1.10.5 Water Temperature
Allows you to choose the Water Temperature label displayed over the echogram
